Douglas Colquhoun

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Modern surgical procedures have saved lives; however, the occurrence of post-surgical complications is still a concern. This study investigates the relationships between patients' surgical data and the post-surgical adverse outcomes of death, cardiac injury, renal injury, and respiratory failure. We analyze these relationships through the statistical(More)
  • British journal of pharmacology and chemotherapy
  • 1963
General equations are given for computing the results of any (j+j) dose parallel line biological assay based on an incomplete block design. Only the information from comparisons within blocks is used. The computation is illustrated numerically by means of a (2+2) assay of gastrin devised and performed by Lai (1962), in which only three of the four doses(More)
Since the publication of the original complementfixation test for syphilis by Wassermann, Neisser, Bruck, and Schucht (1906) and the publication of the flocculation test of Porges and Meier (1908), innumerable modifications have been described for the improvement of both diagnostic methods. The technical complexity of the former furnished an incentive for(More)
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